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How To Hydro Dip A Cow Skull With Spray Paint

Hydro dipping with spray paint is a popular method of painting
three-dimensional (3D) objects. It is used for painting a wide variety of items:
If you can paint it and also get it wet, it's a candidate for hydro dipping.
Among other items, it is popular for painting
animal skulls, including cow
skulls.

To hydro dip with spray paint (there are other methods; see the bottom of
this page), spray paint is sprayed onto the
surface of water. When an object is slowly dipped through
the paint and into the water below the paint gently flows around and onto all
the dimensions of the object. The exact result of the paint job is
unpredictable - the paint goes wherever the water happens to carry
it - but the results typically create unique patterns that are
very attractive.

Here at CowboyWay.com we had a nice Longhorn cow skull hanging in a stairway
to our basement. We chose this particular skull for this location because her horns
were small enough to fit into the narrow area, but then we noticed we had a problem: The
white (or slightly off-white) skull blended in with the off-white paint of the
stairway. While we prefer a natural look with most of our skulls, this one blended
in so well with her surroundings that no one, including ourselves, hardly
ever noticed her. So, we decided to go bold and paint her using the hydro dip/spray
paint method so she would be more noticeable.

Below: After - The same cow skull after being hydro dipped.
She is much more noticeable.

Did you know...?Hydro dipping is also called hydro
graphics, immersion printing, or water transfer printing.

Items You Will Need To Hydro Dip A Cow Skull

A clean (free from dirt, dust, etc.) cow skull.

Spray paint. You can use one or several colors.

Water.

A water-tight container large enough to submerge the skull you want to
hydro dip.
Make sure the container
is large enough that the skull can be submerged without causing the water to
overflow. If water runs over you might lose paint and not get good
coverage on your skull.

NOTE: For smaller items to be dipped containers such as buckets, feed tubs, mineral
tubs, and similar sturdy-walled items often work well. Plastic
storage containers commonly found for sale in stores might also work
well, but some of them are not strong enough to hold their
shape when filled with water. If in doubt about how sturdy your container is, you might want to fill it
with water beforehand to make sure it can hold its shape.

Optional Items That Are Good To Have

Paint to give your skull a base coat of color. This can be spray paint or
some other type of paint. Since there are likely to be areas of your skull that
don't get covered with paint when you dip it, applying a base coat lets you
choose the color that shows through. If you decide to give your skull a base
coat make sure it has time to completely dry before dipping.

A disposable stick to gently swirl the paint after it has been
sprayed onto the surface of the water, before the skull is dipped. Swirling the
paint helps to break up large blocks of any one color. You
might not want to swirl the paint, but if you do a disposable stick is a
handy item to do it with.

A small piece of scrap cardboard (or something similar) to part the
surface of the water after you submerge the skull and before you lift it
back out. You don't have to part the water: You can simply lift the
skull back out through any remaining paint left on the surface. However,
most people seem to prefer the "look" of the skull with one coat of
paint (the dip going in) instead of two coats (picking up additional paint as the skull is lifted out).

If your skull has horns you might also need masking tape or something
similar to mask them off if you don't want paint on them when you apply
a base coat, and/or when you dip the skull.

If you want to keep paint residue off the inside of the container
you're using you will need plastic sheeting or something similar to line the inside of
the container. Depending on the size of the container a large trash bag or
a drop cloth might work well.

Protective gloves to keep paint off your hands.

Spray sealant to seal the skull after it has been dipped and had time to
dry.

How To: Hydro Dipping A Cow Skull With Spray Paint

Step One

The first thing you probably want to do is paint your skull with a base
coat of color. This is optional, but is often a good idea. There are likely to be areas
that don't get covered with paint when the skull is dipped, and with a base coat
you get to choose the color that shows through.

For our own skull
we gave it a base coat with white spray paint. We didn't want any white
paint on the horns, so we covered them at the base with masking tape. Make sure
the base coat is thoroughly dry before hydro dipping.

Below: Our cow skull after being sprayed with a base coat
of white. We covered the base of the horns with masking tape so the horns
wouldn't get painted.

Step Two

Gather the items you will need to hydro dip your skull (listed above under
"Items You Will Need..."). Hydro dipping is fast and easy, so you'll want
all your items ready. If you want to mask off any areas of your skull to
keep them free of paint, such as the horns, do it now.

Below: Our cow skull after the base coat had dried,
and with additional tape on her horns to keep them free of paint when being
dipped; spray paint; and an old mineral
tub (with a black plastic garbage bag for a liner) to use as a dipping container. We wound up using a larger tub.

Below: A close up of the colors of spray paint we used on our skull.
From left to right: Blue, dark green, red, and purple.

Step Three

Fill your container with water. If you want to keep the container free of
paint residue, line it with plastic first. Make sure the water temperature
is within the recommended temperature range on the can(s) of spray paint.

Step Four

Begin spraying paint onto the surface of the water. Spray one color, then
a different one. Add the colors of paint however, whenever, and wherever you feel like it. Be
generous with the amount of paint that you use.

Below: Spraying paint onto the surface of the water. You
can spray one color at a time, or two different colors at a time.

As you add paint it will naturally swirl around the other
colors.

Below: Adding more paint.

Step Five

When there is a lot of paint on the surface of the water you can stop adding
more. If you like, at this point you can take a stick and slowly and gently stir
the surface of the water to swirl the colors and break up big blocks of color.
Gently stirring the paint results in smaller streaks of paint swirling around
each other, and is usually the preferred choice. In our case, we chose not to.

When you're ready, submerge your skull. Dip it slowly into the
water, allowing the paint to gently flow into every nook and cranny. Continue
slowly submerging the skull until it is completely under the water. If you're
not dipping the horns, like we chose not to, then you won't need to submerge
them.

Below: Beginning to slowly and gently submerge our skull.

Below: Changing the angle slightly, and slowly continuing the dip......

Below: ......almost submerged......

Below: ......and, finally, completely submerged.

Step Six

When your skull is completely submerged you're ready to lift it back up
and out of the water. Before you lift it back out, you can choose to part
the remaining paint on the surface of the water so the skull doesn't come
into contact with it as its removed, our you can leave the paint where its
at.

What's the difference? First off, neither way is right or wrong. If you
part the paint before you lift the skull out of the water then the skull
will get one coat of paint (the paint it received going in). This is usually
the preferred method.

If you don't part the water, the skull will most likely come into at
least some paint as it's lifted out, which might detract from, or possibly
enhance, the paint job it received going in. In our case, we chose not to
part the water.

Below: Our cow skull immediately after being lifted out of
the hydro dip tub.

That's It, You're Done!

When your hydro dip is finished let your skull thoroughly dry. Since bone is
porous, allow extra drying time not only for the paint but also for the
bone of the skull.

When your skull is completely dry you can finish it off by spraying it
with several coats of clear spray sealant. This is usually available in
matte, semi-gloss, or gloss. While this is an optional step we definitely
prefer to seal our skulls. Sealant not only helps to keep the paint looking
fresh, it helps to keep dust from settling into the bone of the skull making it easier
to dust or wipe off, and helps to prevent a dingy look over time.

Other Ways To Hydro Dip

Hydro dipping doesn't have to use spray paint. A similar method calls for
placing
hydrographic film on top of the water instead of
spray paint. The
film has a pre-printed pattern on it, and after it is placed on the water and
activated (usually by spraying an activator solution onto it) the object is dipped
and the pattern is transferred onto the object. Like spray paint hydro dipping, this method
is well-suited for 3D objects because it also covers all dimensions of the
object that is dipped.

You can often find
hydrographic dip kits for sale on eBay and
also Amazon. NOTE: Many of these kits are complete with everything you
need, while others only have one or two items to replenish an item you've
run out of. Read the descriptions carefully to know what you are, and are
not, getting.

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